Construction method for single-side segmented formwork erecting of ultrahigh outer wall tripod

Abstract

The invention relates to a construction method for single-side segmented formwork erecting of an ultrahigh outer wall tripod. The construction method comprises the following steps that first foundation bolts are pre-buried when a bottom plate is poured; binding a first section of outer wall steel bars and arranging a first section of outer wall template according to a preset position of the outer wall; a tripod is installed on a bottom plate on the outer side of the first section of the outer wall formwork for supporting, and the tripod is limited through a first foundation bolt; second foundation bolts are pre-buried in the tops of the first sections of outer wall steel bars; casting a first section of outer wall; the tripod is dismantled, and then a full framing is erected on a bottom plate on the outer side of the first section of the outer wall; binding a second section of outer wall steel bar above the first section of outer wall and arranging a second section of outer wall template; a tripod is installed above the full framing to support the second section of the outer wall formwork, and a second foundation bolt and the tripod are connected and limited; and pouring the second-section outer wall. The outer wall is poured in sections, the triangular supports are secondarily utilized for lateral supporting, erecting is simple, the full framing is matched, construction is convenient, and the method is economical and applicable.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a construction method for single-side segmented formwork of a super-high exterior wall tripod. Background Art

[0002] At present, the leakage problem of basement exterior walls is still a difficult problem in the construction industry. Single-sided formwork reinforcement using a tripod can effectively reduce the risk of leakage caused by screw reinforcement.

[0003] When it comes to the reinforcement of super-high exterior wall tripods, the current solution is to raise the tripod to meet the exterior wall reinforcement height. However, the tripod of this solution needs to be customized, which is expensive, and has a large weight and is difficult to install.

[0004] Alternatively, a segmented casting scheme may be used, in which a Bailey frame is erected or a transfer layer is set up as a secondary tripod foundation. This scheme has high foundation costs and is difficult to erect. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a construction method for single-side segmented formwork of an ultra-high exterior wall tripod, so as to solve the problems of high cost and difficult erection of the existing segmented casting foundation.

[0006] The technical solution to achieve the above-mentioned purpose is: a construction method for single-sided segmented formwork of an ultra-high exterior wall tripod, comprising the following steps: pre-embedding a first anchor bolt when pouring the base plate; tying the first section of exterior wall steel bars and setting the first section of exterior wall formwork according to the preset position of the exterior wall; installing a tripod on the base plate outside the first section of exterior wall formwork for support, and limiting the position of the tripod by the first anchor bolt; pre-embedding a second anchor bolt on the top of the first section of exterior wall steel bars; pouring the first section of exterior wall; dismantling the tripod, and then erecting a full-frame on the base plate outside the first section of exterior wall; tying the second section of exterior wall steel bars and setting the second section of exterior wall formwork above the first section of exterior wall; installing the tripod above the full-frame to support the second section of exterior wall formwork, and connecting the second anchor bolt to the tripod to limit the position; pouring the second section of exterior wall.

[0007] In the construction method of the single-side segmented formwork of the super-high external wall tripod of the present invention, the tripod can be reused for lateral support through segmented casting of the external wall, the erection is simple, the work efficiency is improved, and the full-height frame is erected to facilitate construction and be economical and applicable.

[0008] A further improvement of the construction method of the super-high external wall tripod single-side segmented formwork of the present invention is that the pre-embedding of the first anchor bolt during the bottom plate casting comprises: a base is provided at the location where the external wall is provided on the bottom plate.

[0009] A further improvement of the construction method of the single-side segmented formwork of a super-high exterior wall tripod of the present invention is that the pre-embedding of the first anchor bolt during the casting of the base plate also includes: extending the first anchor bolt obliquely upward from the side wall of the base.

[0010] A further improvement of the construction method of the single-sided segmented formwork of a super-high exterior wall tripod of the present invention is that the tripod is installed on the base plate outside the first segment of the exterior wall formwork for support, and the tripod is limited by the first anchor bolt, including: a limiting component is sleeved on the first anchor bolt, and the limiting component is pressed against the inner wall of the tripod.

[0011] A further improvement of the construction method of the single-sided segmented formwork of a super-high exterior wall tripod of the present invention is that before pre-embedding the second anchor bolt on the top of the first section of exterior wall reinforcement, it also includes: connecting a water stop steel plate on the top of the first section of exterior wall reinforcement.

[0012] A further improvement of the construction method of the single-sided segmented formwork of a super-high exterior wall tripod of the present invention is that the pre-embedded second anchor bolt on the top of the first section of exterior wall reinforcement includes: extending the second anchor bolt obliquely upward from the side of the first section of exterior wall reinforcement.

[0013] A further improvement of the construction method of the single-side segmented formwork of a super-high exterior wall tripod of the present invention is that the dismantling of the tripod and then setting up a full-frame on the bottom plate outside the first segment of the exterior wall includes: setting up guardrails around the full-frame; and laying scaffolding boards on the full-frame.

[0014] A further improvement of the construction method of a super-high exterior wall tripod single-sided segmented formwork of the present invention is that the tripod is installed above the full-frame to support the second section of the exterior wall formwork, and the second anchor bolt is connected and limited to the tripod, including: a first supporting structure is set between the tripod and the full-frame.

[0015] A further improvement of the construction method of the single-sided segmented formwork of a super-high exterior wall tripod of the present invention is that the tripod is installed above the full-frame to support the second section of the exterior wall formwork, and the second anchor bolt is connected and limited to the tripod, which also includes: an I-beam is arranged at the outer end of the bottom of the tripod for support.

[0016] A further improvement of the construction method of the single-side segmented formwork of a super-high exterior wall tripod of the present invention is that before arranging an I-beam below the bottom end of the tripod for support, it includes: arranging a second supporting structure on the full-frame to support the I-beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic flow chart of a construction method for single-side segmented formwork of a super-high exterior wall tripod.

[0018] Figure 2 The present invention is a structural schematic diagram of a single-side segmented formwork of a super-high exterior wall tripod.

[0019] Figure 3 Another structural schematic diagram of a single-side segmented formwork of a super-high exterior wall tripod according to the present invention.

[0020] Figure 4 It is a flowchart diagram of step S110 of the present invention.

[0021] Figure 5 FIG. 4 is another flowchart diagram of step S110 of the present invention.

[0022] Figure 6 It is a flowchart diagram of step S130 of the present invention.

[0023] Figure 7 It is a schematic diagram of the process before step S140 of the present invention.

[0024] Figure 8 It is a flowchart diagram of step S140 of the present invention.

[0025] Fig. 9 It is a flowchart diagram of step S160 of the present invention.

[0026] Fig.10 It is a flowchart diagram of step S180 of the present invention.

[0027] Fig.11 FIG. 4 is another flowchart diagram of step S180 of the present invention.

[0028] Fig.12 It is a schematic diagram of the process before step S182 of the present invention.

[0029] In the figure: 10, the first section of the outer wall; 11, the first anchor bolt; 12, the tripod; 13, the second anchor bolt; 14, the second section of the outer wall; 15, the full frame; 151, the guardrail; 152, the scaffolding board; 16, the limit assembly; 17, the water-stop steel plate; 18, the first supporting structure; 19, the I-beam; 110, the second supporting structure; 20, the bottom plate; 21, the base; 22, the upper floor. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] See also Figure 1 , Figure 2 and Figure 3 , Figure 1The schematic diagram shows a process flow of a construction method of a super-high exterior wall tripod 12 with single-side segmented formwork according to the present invention. Figure 2 The schematic diagram of the structure of the single-side segmented formwork of the super-high external wall tripod 12 of the present invention is shown. Figure 3 Another structural schematic diagram of a super-high external wall tripod 12 single-side segmented formwork of the present invention is shown. The present invention provides a construction method of a super-high external wall tripod 12 single-side segmented formwork, comprising the following steps:

[0032] Execute step S110: embed the first anchor bolt 11 when pouring the base plate 20.

[0033] The bottom plate 20 may be the lower floor plate of the construction location, without any limitation, and then, step S120 is executed.

[0034] Execute step S120: tie the steel bars of the first section of the exterior wall 10 according to the preset position of the exterior wall and set the template of the first section of the exterior wall 10.

[0035] The height of the first section of the exterior wall 10 needs to be determined based on the height of the on-site tripod 12 and for ease of installation, and is recommended to be about 2 / 3 of the exterior wall height. Next, step S130 is executed.

[0036] Execute step S130: install a tripod 12 on the bottom plate 20 outside the template of the first section of the exterior wall 10 for support, and limit the tripod 12 by the first anchor bolt 11.

[0037] Among them, the upper end surfaces of the outer wall and the bottom plate 20 are arranged vertically, that is, the angle between the upper end surfaces of the outer wall and the bottom plate 20 is a right angle, and the tripod 12 is arranged at a right angle. When installing the tripod 12, the right angle of the tripod 12 needs to be aligned with the right angle side of one side of the tripod 12, and the right angle side of the other side is arranged correspondingly on the upper side of the bottom plate 20. Then, execute step S140.

[0038] Execute step S140: embed the second anchor bolt 13 on the top of the steel bars of the first section of the exterior wall 10.

[0039] The second anchor bolt 13 is disposed directly above the first anchor bolt 11 , the second anchor bolt 13 has the same structural configuration as the first anchor bolt 11 , and the second anchor bolt 13 is disposed in the same direction as the first anchor bolt 11 , and then step S150 is executed.

[0040] Execute step S150: cast the first section of the exterior wall 10.

[0041] After the first section of the exterior wall 10 is poured and initially set, the side supports can be removed, and then step S160 is executed.

[0042] Execute step S160: remove the tripod 12, and then set up the full-height frame 15 on the bottom plate 20 outside the first section of the exterior wall 10.

[0043] Among them, the height of the full-height frame 15 is less than the height of the first section of the exterior wall 10. The specific size of the full-height frame 15 is set according to actual construction requirements and is not specifically limited here. The full-height frame 15 is set to facilitate the construction operations of construction personnel and to provide support for the tripod 12. Then, execute step S170.

[0044] Execute step S170: tie the steel bars of the second section of the exterior wall 14 above the first section of the exterior wall 10 and set the template of the second section of the exterior wall 14.

[0045] Among them, the upper and lower ends of the second section exterior wall 14 steel bars are respectively connected to the upper floor 22 and the first section exterior wall 10 steel bars, and the upper and lower ends of the second section exterior wall 14 template are respectively connected to the upper floor 22 and the first section exterior wall 10 template, then, execute step S180.

[0046] Execute step S180: install the tripod 12 above the full-frame 15 to support the template of the second section of the outer wall 14, and connect the second anchor bolt 13 to the tripod 12 to limit the position.

[0047] Among them, one right-angle side of the tripod 12 supports the template of the second section of the exterior wall 14, and then, step S190 is executed.

[0048] Execute step S190: cast the second section of the exterior wall 14.

[0049] The second section of the exterior wall 14 is set to have the same thickness as the first section of the exterior wall 10 , and the second section of the exterior wall 14 connects the upper floor 22 and the first section of the exterior wall 10 .

[0050] See also Figure 4 , showing a flow chart of step S110 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S110 comprising:

[0051] Execute step S111: set a base 21 at the location where the outer wall is set on the bottom plate 20.

[0052] The base 21 and the bottom plate 20 are cast in one piece, and the height of the base 21 is set according to actual needs and is not specifically limited here.

[0053] See also Figure 5 , showing another flow chart of step S110 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S110 also includes:

[0054] Execute step S112: The first anchor bolt 11 is extended obliquely upward from the side wall of the base 21 .

[0055] Among them, one end of the first anchor bolt 11 is bent and horizontally buried in the base 21, and the outer wall of the protruding end of the first anchor bolt 11 is provided with an external thread structure to facilitate subsequent connection.

[0056] See also Figure 6 , showing a flow chart of step S130 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S130 comprising:

[0057] Execute step S131 : sleeve the limiting assembly 16 on the first anchor bolt 11 , and place the limiting assembly 16 against the inner wall of the tripod 12 .

[0058] Among them, the first anchor bolt 11 is inserted into the inner side of the tripod 12, and the limiting assembly 16 includes a connecting plate and a nut. The connecting plate is first sleeved on the first anchor bolt 11, and the two sides of the connecting plate are respectively abutted against the inner walls of the two right-angled sides of the tripod 12, and then the nut is screwed to the outer side of the connecting plate to limit the connecting plate, thereby further strengthening the connection of the tripod 12.

[0059] See also Figure 7 , showing a flow chart before step S140 of the present invention. The present invention provides a construction method for single-side segmented formwork of a super-high external wall tripod 12, before executing step S140, further comprising:

[0060] Execute step S1401: connect the water stop steel plate 17 on the top of the steel bars of the first section of the exterior wall 10.

[0061] The water-stop steel plate 17 is vertically arranged on the top of the first section of the exterior wall 10 , one end of the water-stop steel plate 17 is buried in the first section of the exterior wall 10 , and the other end of the water-stop steel plate 17 is buried in the second section of the exterior wall 14 .

[0062] In this embodiment, a second water-stopping steel plate may also be provided on the top of the base.

[0063] In other embodiments, the water-stop steel plate 17 may be replaced by leaving a tongue-and-groove.

[0064] See also Figure 8 , showing a flow chart of step S140 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S140 comprises:

[0065] Execute step S141: The second anchor bolt 13 is extended obliquely upward from the side of the steel bar of the first section of the exterior wall 10 .

[0066] Among them, one end of the second anchor bolt 13 is bent and horizontally buried in the first section of the outer wall 10, and the outer wall of the protruding end of the second anchor bolt 13 is also provided with an external thread structure to facilitate subsequent connection.

[0067] See also Fig. 9 , showing a flow chart of step S160 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S160 comprising:

[0068] Execute step S161: set up guardrails 151 around the full-frame 15.

[0069] The guardrail 151 is used to protect the construction workers and ensure the safety of the personnel at the construction site. Next, step S162 is executed.

[0070] Execute step S162: fully lay the scaffolding planks 152 on the full-height frame 15.

[0071] Among them, the scaffolding planks 152 are laid in layers, which facilitates the construction of the construction workers.

[0072] See also Fig.10 , showing a flow chart of step S180 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S180 comprising:

[0073] Execute step S181: set a first supporting structure 18 between the tripod 12 and the full-frame 15.

[0074] The first supporting structure 18 includes a plurality of top supports, which are respectively connected to the top of the full-frame 15 , and the plurality of top supports are arranged on the same horizontal line, correspondingly supporting the bottom of the tripod 12 .

[0075] See also Fig.11 , showing another flow chart of step S180 of the present invention. The present invention provides a construction method of single-side segmented formwork of a super-high exterior wall tripod 12, step S180 also includes:

[0076] Execute step S182: set an I-beam 19 at the outer end of the bottom of the tripod 12 for support.

[0077] The I-beam 19 is arranged along the bottom edge of the tripod 12 .

[0078] See also Fig.12 , showing a flow chart before step S182 of the present invention. The present invention provides a construction method for single-side segmented formwork of a super-high exterior wall tripod 12, which includes:

[0079] Execute step S18201: set a second supporting structure 110 on the full frame 15 to support the I-beam 19.

[0080] The second supporting structure 110 is also a top supporting structure, and the I-beam 19 is supported to the bottom of the tripod 12 through top supporting adjustment.

[0081] The present invention is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various changes to the present invention according to the above description. Therefore, certain details in the embodiments should not be construed as limiting the present invention, and the scope of protection of the present invention shall be the scope defined by the attached claims.

Claims

1. A construction method for single-side segmented formwork of a super-high exterior wall tripod, characterized in that: The steps include: The first anchor bolt is embedded in advance when the base plate is poured; Tie the first section of exterior wall reinforcement and set the first section of exterior wall formwork according to the preset position of the exterior wall; A tripod is installed on the bottom plate outside the first section of the exterior wall formwork for support, and the tripod is limited by the first anchor bolts; Embed a second anchor bolt on top of the first section of exterior wall reinforcement; Casting the first section of the exterior wall; The tripod is removed, and then a full-height frame is set up on the bottom plate outside the first section of the exterior wall; Tie the second section of exterior wall reinforcement above the first section of exterior wall and set the second section of exterior wall formwork; Install the tripod above the full frame to support the second section of the exterior wall formwork, and connect the second anchor bolt to the tripod to limit the position; Casting of the second section of the exterior wall.

2. The construction method of a super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: The method of embedding the first anchor bolt during the pouring of the base plate comprises: A base is arranged on the bottom plate where the outer wall is arranged.

3. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 2 is characterized in that: The method of embedding the first anchor bolt during the pouring of the base plate further comprises: The first anchor bolt is extended obliquely upward from the side wall of the base.

4. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: The step of installing a tripod on the bottom plate outside the first section of the exterior wall formwork for support, and limiting the position of the tripod by the first anchor bolts comprises: A limiting assembly is sleeved on the first anchor bolt, and the limiting assembly is pressed against the inner wall of the tripod.

5. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: Before embedding the second anchor bolt on the top of the first section of exterior wall reinforcement, the method includes: A waterstop steel plate is connected to the top of the first section of exterior wall reinforcement.

6. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: The method of embedding the second anchor bolt on the top of the first section of the exterior wall reinforcement comprises: The second anchor bolt is extended obliquely upward from the side of the first section of exterior wall reinforcement.

7. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: The step of removing the tripod and then setting up a full-height frame on the bottom plate outside the first section of the exterior wall comprises: Setting up guardrails around the full-height frame; The full-height frame is fully covered with scaffolding boards.

8. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 1, characterized in that: The step of installing the tripod above the full frame to support the second section of the exterior wall formwork, and connecting the second anchor bolt to the tripod to limit the position includes: A first supporting structure is arranged between the tripod and the full-frame.

9. The construction method of the super-high exterior wall tripod single-side segmented formwork according to claim 8, characterized in that: The step of installing the tripod above the full frame to support the second section of the exterior wall formwork, and connecting the second anchor bolt to the tripod to limit the position also includes: An I-beam is arranged at the outer end of the bottom of the tripod for support.

10. The construction method of the single-side segmented formwork of the super-high exterior wall tripod according to claim 9 is characterized in that: The method of arranging an I-beam for support below the bottom end of the tripod includes: A second supporting structure is arranged on the full-frame to support the I-beam.

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